Thực hiện các phép tính sau: a, ( 1/2a^2x^4 + 4/3ax^3 - 2/3ax^2 ):( - 2/3ax^2 )
Giải thích
a) Ta có: ( 12a2x4 + 43ax3 -23ax2 ):( - 23ax2 )
= ( 12a2x4: - 23ax2 ) + ( 43ax3: - 23ax2 ) + ( - 23ax2: - 23ax2 )
= - 34ax2 - 2x + 1
a) Ta có: ( 12a2x4 + 43ax3 -23ax2 ):( - 23ax2 )
= ( 12a2x4: - 23ax2 ) + ( 43ax3: - 23ax2 ) + ( - 23ax2: - 23ax2 )
= - 34ax2 - 2x + 1